Dear colleagues: I am using the spotfinder 2.2.3 and the .tav files generated there have 20 columns. When I exclude the 3 last columns, the .tav file can not be recognized by aroma package in R platform. What I have to do to generate .tav files with 17 columns only? Thank you in advance. Carlos Dept. of Immunology University of S??o Paulo -- Open WebMail Project (http://openwebmail.org)